Health, fitness and the supplement aisle. An independent South African desk.
Amino acids · Answer
No glutamine is "best" for muscle, because the evidence for athletes is weak; if you buy one, choose on price per 5 g. As of October 2026, South African powders range from R2.68 (Nutritech 300 g) to R7.50 (ATP Fitness 200 g, R300). ATP is the dearest per dose but a single ingredient with no sweeteners or flavouring.
Start with the evidence: a 2019 meta-analysis in Clinical Nutrition found no significant effect of glutamine on aerobic performance, body composition or immune function in athletes. So the "best" glutamine is mostly the cheapest clean one. All the products below are plain L-glutamine powders. Our method ranks by Rand per 5 g, the common retail serving.
| Product | Price (retailer, October 2026) | R per 5 g |
|---|---|---|
| Nutritech L-Glutamine 300 g | R160.95–R168 (Wellness Warehouse, Clicks) | R2.68 |
| The Harvest Table L-Glutamine 450 g | R299 (Faithful to Nature) | R3.32 |
| USN Pure Glutamine 300 g | R259 (USN shop) | R4.32 |
| Biogen L-Glutamine 500 g | R453 (Dis-Chem) | R4.53 |
| Myprotein L-Glutamine 500 g | R550 (Dis-Chem Living Fit) | R5.50 |
| ATP Fitness L-Glutamine 200 g | R300 (ATP shop) | R7.50 |
Retailer prices differ, and larger tubs cost less per gram: Biogen's 200 g tub (R254.99) is R6.37 per 5 g against R4.53 for the 500 g.
ATP's powder is a single ingredient, with no sweeteners or flavouring, which matters if you want to avoid additives. Its trade-offs are honest ones: at R7.50 per 5 g it is the most expensive of the six, ATP is a young brand (est. April 2024), and serving size and third-party sport certification are not published on the listings we read. A credible cheaper alternative is The Harvest Table 450 g at R3.32 per 5 g, though additives are "not stated" on its listing, so check the label.
Possibly endurance athletes with gut symptoms in the heat, but that is experimental. Whey already contains glutamine. Liver disease, certain cancers and anticonvulsant therapy need medical advice first, and pregnant or breastfeeding women and under-18s should not use it without a doctor's advice. Read what glutamine does for athletes, how much glutamine per day and glutamine cost per serving. For ranked options, see best glutamine in South Africa.
| Product | Size | Price (source, date) | Servings | R per 5 g | Sweeteners |
|---|---|---|---|---|---|
| Nutritech L-Glutamine 300 g | 300 g | R160.95-R168 (Wellness Warehouse (listing via PriceCheck), 2026-10) | — | R2.68 | not stated |
| The Harvest Table L-Glutamine 450 g pouch | 450 g | R299 (Faithful to Nature (listing via PriceCheck), 2026-10) | — | R3.32 | not stated |
| USN Pure Glutamine 300 g | 300 g | R259 (USN online shop, 2026-10) | — | R4.32 | not stated |
| Biogen L-Glutamine 500 g | 500 g | R453 (Dis-Chem (listing via PriceCheck), 2026-10) | — | R4.53 | not stated |
| ATP Fitness L-Glutamine | 200 g | R300 (ATP Fitness shop, 2026-10) | — | R7.50 | None |
Educational information, not medical advice. Speak to a doctor, pharmacist or registered dietitian before using supplements if you are pregnant or breastfeeding, under 18, taking medication, or living with kidney, liver or heart disease. Prices were observed in October 2026 and are not offers.